Tyres - should I replace after using sealant?

Is it worth buying a tyre sealant canister in order not to have to change a wheel with a flat tyre?

If so, can that tyre be used for the rest of its useful life?

Asked on 9 October 2012 by DaveAdnett

Answered by Honest John
Once resealed in this way the tyre normally has to be replaced.
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